Protect against class cast exception DO NOT MERGE

Missed instance of this problem in saveOffsets() in previous fix made
to onPreDraw()

Bug:12228894
Change-Id: I9bd9596f670f4fe8eb355fccd1c0641e5ee37306
(cherry picked from commit e3b3b4a864d8c417217e3cff847f63f165cb4141)
1 file changed
tree: f0ec59ac18b39a6f6df82af5b58e0840f10196a8
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags